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Independent demand is demand originating outside the plant or production system, while dependent demand is demand for components. The bill of materials (BOM) specifies the relationship between the end product (independent demand) and the components (dependent demand). MRP takes as input the information contained in the BOM.
Inventory planning. Inventory planning involves using forecasting techniques to estimate the inventory required to meet consumer demand. [1][2][3] The process uses data from customer demand patterns, market trends, supply patterns, and historical sales to generate a demand plan that predicts product needs over a specified period.
The economic production quantity model (also known as the EPQ model) determines the quantity a company or retailer should order to minimize the total inventory costs by balancing the inventory holding cost and average fixed ordering cost. The EPQ model was developed and published by E. W. Taft, a statistical engineer working at Winchester ...
Dependent and independent variables. A variable is considered dependent if it depends on an independent variable. Dependent variables are studied under the supposition or demand that they depend, by some law or rule (e.g., by a mathematical function), on the values of other variables. Independent variables, in turn, are not seen as depending on ...
Inventory (American English) or stock (British English) refers to the goods and materials that a business holds for the ultimate goal of resale, production or utilisation. [nb 1] Inventory management is a discipline primarily about specifying the shape and placement of stocked goods. It is required at different locations within a facility or ...
Inventory control or stock control can be broadly defined as "the activity of checking a shop's stock". [1] It is the process of ensuring that the right amount of supply is available within a business. [2] However, a more focused definition takes into account the more science-based, methodical practice of not only verifying a business's ...
The inventory control problem is the problem faced by a firm that must decide how much to order in each time period to meet demand for its products. The problem can be modeled using mathematical techniques of optimal control, dynamic programming and network optimization. The study of such models is part of inventory theory.
Push–pull strategy. The original meaning of push and pull, as used in operations management, logistics and supply chain management. In the pull system production orders begin upon inventory reaching a certain level, while on the push system production begins based on demand (forecasted or actual demand). The CONWIP is a hybrid between a pure ...